A combined well logging tool

Abstract

The utility model discloses a combined well logging instrument, comprising a probe body, wherein a camera assembly is arranged in the probe body, and the camera assembly also comprises an L-shaped support plate for supporting and installing a camera, the top end of the L-shaped support plate is connected with an L-shaped slide plate by bolts, the top end of the L-shaped slide plate is fixedly connected with a support block, one end of the support block is detachably connected with an electric telescopic rod, and the other end of the electric telescopic rod is detachably connected with a fixed block. The utility model relates to the technical field of well logging instruments, and by arranging the camera assembly, the position of the camera can be adjusted by utilizing the extension and retraction of the electric telescopic rod, thereby realizing the distance between the camera and the well wall, making the shooting as clear as possible, thereby making the detection more accurate; by arranging the probe body, the camera assembly can be protected, and by utilizing the light board arranged in the probe body, fill light can be performed during shooting, thereby obtaining clearer shooting, thereby ensuring the well logging efficiency.

Description

Technical Field

[0001] The utility model relates to the technical field of well logging instruments, in particular to a combined well logging instrument. Background Art

[0002] When the logging instrument detects the situation in the well, it often uses the camera in the probe. However, the position of the camera in the probe is relatively fixed, and the probe is lowered into the well along with the cable. The position of the probe cannot be adjusted in the well, and the sizes of wells are different. Therefore, it takes a long time to shake the cable to adjust the probe position, which not only leads to long detection time and low efficiency, but also often results in unclear shots of the well wall. Utility Model Content

[0003] In view of the problems existing in the existing combined logging instrument, the utility model is proposed.

[0004] Therefore, the purpose of the utility model is to provide a combined logging instrument, which solves the problem that the position of the camera in the probe is relatively fixed, and the probe is placed into the well along with the cable, the position of the probe cannot be adjusted in the well, and the sizes of wells are different, so it is necessary to shake the cable for a long time to adjust the probe position, which not only leads to long detection time and low efficiency, but also often causes unclear shooting of the well wall.

[0005] In order to solve the above technical problems, according to one aspect of the present invention, the present invention provides the following technical solutions:

[0006] A combined well logging instrument comprises a probe body, wherein a camera assembly is arranged in the probe body. After the probe body is placed in a well, the distance between a camera in the camera assembly and the well wall can be adjusted.

[0007] As a preferred solution of the combined well logging instrument described in the utility model, a sealing cover is threadedly connected to the bottom opening of the probe body, and a sealing ring is arranged between the probe body and the sealing cover.

[0008] As a preferred solution of the combined well logging instrument described in the utility model, light boards are evenly installed on the inner wall of the top of the inner cavity of the probe body, and the lamp beads on the light board are used for lighting during use to ensure that the camera can take clear pictures.

[0009] As a preferred solution of a combined logging instrument described in the utility model, the camera assembly also includes an L-shaped support plate for supporting and installing the camera, the top of the L-shaped support plate is connected to an L-shaped slide plate by bolts, the top of the L-shaped slide plate is fixedly connected to a support block, one end of the support block is detachably connected to an electric telescopic rod, the other end of the electric telescopic rod is detachably connected to a fixed block, and the fixed block is detachably mounted on a rectangular frame.

[0010] As a preferred solution of the combined well logging instrument described in the utility model, a support frame is welded on the rectangular frame, the fixing block is inserted into the support frame, and the fixing block and the support frame are fixed by bolts.

[0011] As a preferred solution of the combined well logging instrument described in the utility model, wherein: a first support connection seat is welded on the fixed block, an electric telescopic rod is inserted into the inner wall of the first support connection seat, and the electric telescopic rod and the first support connection seat are fixed by bolts;

[0012] A second support connection seat is welded on the support block, an electric telescopic rod is inserted into the inner wall of the second support connection seat, and the second support connection seat and the electric telescopic rod are fixed by bolts.

[0013] As a preferred solution of a combined well logging instrument described in the utility model, a third support connecting seat is welded to the bottom end of the rectangular frame, a support column is inserted into the inner wall of the third support connecting seat, the support column and the third support connecting seat are fixed by bolts, and the bottom end of the support column is fixedly connected to a cover.

[0014] As a preferred solution of the combined logging instrument described in the utility model, it also includes a power supply, a transformer, a detector, a signal amplifier, an inductor, a voltage regulator, an analog-to-digital converter, a drive circuit, a clock circuit and a DSP chip arranged in the inner cavity of the probe body, including a power supply, the power supply is connected to the transformer and the voltage regulator, the transformer is sequentially connected to the detector, the signal amplifier, the inductor, the analog-to-digital converter, the drive circuit and the clock circuit, the signal amplifier is connected to the DSP chip, the drive circuit is also connected to the clock circuit, and the drive circuit is connected to the voltage regulator.

[0015] Compared with existing technologies:

[0016] 1. By setting up the camera assembly and using the extension and retraction of the electric telescopic rod, the position of the camera can be adjusted, thereby realizing the distance between the camera and the well wall, making the shooting as clear as possible, thus making the detection more accurate;

[0017] 2. By setting up the probe body, the camera assembly can be protected, and by setting up a light board in the probe body, fill light can be provided during shooting, so that clearer shooting can be obtained and the logging efficiency can be ensured. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 A schematic diagram of the structure provided by the utility model;

[0019] Figure 2 The utility model provides Figure 1 A cross-sectional view of

[0020] Figure 3 An enlarged view of the camera assembly provided by the utility model;

[0021] Figure 4 This is a schematic diagram of the modules provided by the utility model.

[0022] In the figure: power supply 1, transformer 2, detector 3, signal amplifier 4, inductor 5, voltage stabilizer 6, analog-to-digital converter 7, analog-to-digital converter 8, clock circuit 9, DSP chip 10, probe body 100, cover 101, light board 102, cable 200, camera assembly 300, support column 301, camera 302, rectangular frame 303, L-shaped support plate 304, L-shaped slide plate 305, support block 306, electric telescopic rod 307, fixing block 308, first support connecting seat 309, support frame 310, third support connecting seat 311, second support connecting seat 312. DETAILED DESCRIPTION

[0023] In order to make the purpose, technical solutions and advantages of the present invention more clear, the implementation methods of the present invention will be further described in detail below with reference to the accompanying drawings.

[0024] The utility model provides a combined well logging instrument. Figure 1-4 , including a probe body 100, the top of the probe body 100 is fixedly connected to a cable 200, a camera assembly 300 is arranged in the probe body 100, and after the probe body 100 is placed in the well, the distance between the camera 302 in the camera assembly 300 and the well wall can be adjusted.

[0025] A sealing cover 101 is threadedly connected to the bottom opening of the probe body 100 , and a sealing ring is provided between the probe body 100 and the sealing cover 101 .

[0026] Light boards 102 are evenly installed on the inner wall of the inner cavity top of the probe body 100. When in use, the light beads on the light board 102 are used for lighting to ensure that the camera 302 can take clear pictures.

[0027] The camera assembly 300 also includes an L-shaped support plate 304 for supporting and installing the camera 302. The top of the L-shaped support plate 304 is connected to an L-shaped slide plate 305 by bolts. The top of the L-shaped slide plate 305 is fixedly connected to a support block 306. One end of the support block 306 is detachably connected to an electric telescopic rod 307. Specifically, a second support connection seat 312 is welded on the support block 306. The electric telescopic rod 307 is plugged into the inner wall of the second support connection seat 312. The second support connection seat 312 and the electric telescopic rod 307 are fixed by bolts. The other end of the electric telescopic rod 307 is detachably connected to the fixed block 308. Specifically, a first support connecting seat 309 is welded on the fixed block 308. The electric telescopic rod 307 is inserted into the inner wall of the first support connecting seat 309. The electric telescopic rod 307 and the first support connecting seat 309 are fixed by bolts. The fixed block 308 is detachably installed on the rectangular frame 303. The extension and retraction of the electric telescopic rod 307 is used to adjust the position of the camera 302 in the probe body 100, thereby adjusting the distance between the camera 302 and the well wall, thereby achieving the clearest possible shooting.

[0028] A supporting frame 310 is welded to the rectangular frame 303 , and the fixing block 308 is inserted into the supporting frame 310 . The fixing block 308 and the supporting frame 310 are fixed by bolts.

[0029] A third support connection seat 311 is welded to the bottom end of the rectangular frame 303 , and the inner wall of the third support connection seat 311 is plugged with the support column 301 . The support column 301 and the third support connection seat 311 are fixed by bolts, and the bottom end of the support column 301 is fixedly connected to the cover 101 .

[0030] The device also includes a power supply 1, a transformer 2, a detector 3, a signal amplifier 4, a transducer 5, a voltage regulator 6, an analog-to-digital converter 7, a drive circuit 8, a clock circuit 9 and a DSP chip 10 arranged in the inner cavity of the probe body 100, including a power supply 1, to which a transformer 2 and a voltage regulator 6 are connected, to which the detector 3, the signal amplifier 4, the transducer 5, the analog-to-digital converter 7, the drive circuit 8 and the clock circuit 9 are connected in sequence, to which the signal amplifier 4 is connected, to which the clock circuit 9 is also connected, and to which the drive circuit 8 is connected; of course, the transformer 2, the detector 3, the signal amplifier 4, the transducer 5, the voltage regulator 6, the analog-to-digital converter 7, the drive circuit 8, the clock circuit 9 and the DSP chip 10 may not be arranged; instead, a module in the probe of the well logging instrument in the prior art may be used.

[0031] Although the present invention has been described above with reference to the embodiments, various modifications may be made thereto and parts thereof may be replaced with equivalents without departing from the scope of the present invention. In particular, as long as there is no structural conflict, the various features in the embodiments disclosed in the present invention may be used in combination with each other in any manner, and the fact that these combinations are not exhaustively described in this specification is only for the sake of omitting space and saving resources. Therefore, the present invention is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.

Claims

1. A combined well logging tool, comprising a probe body (100), wherein a camera assembly (300) is arranged in the probe body (100), characterized in that: After the probe body (100) is placed in the well, the distance between the camera (302) in the camera assembly (300) and the well wall can be adjusted; The camera assembly (300) further comprises an L-shaped support plate (304) for supporting and mounting the camera head (302); the top end of the L-shaped support plate (304) is connected to an L-shaped slide plate (305) via bolts; the top end of the L-shaped slide plate (305) is fixedly connected to a support block (306); one end of the support block (306) is detachably connected to an electric telescopic rod (307); the other end of the electric telescopic rod (307) is detachably connected to a fixed block (308); and the fixed block (308) is detachably mounted on the rectangular frame (303).

2. A combined logging tool according to claim 1, characterized in that: A sealing cover (101) is threadedly connected to the bottom opening of the probe body (100), and a sealing ring is provided between the probe body (100) and the sealing cover (101).

3. A combined logging tool according to claim 1, characterized in that: Light boards (102) are evenly mounted on the inner wall of the inner cavity top of the probe body (100). When in use, the light beads on the light board (102) are used for lighting to ensure that the camera (302) can take clear pictures.

4. A combined logging tool according to claim 3, characterized in that: A support frame (310) is welded to the rectangular frame (303), the fixing block (308) is inserted into the support frame (310), and the fixing block (308) and the support frame (310) are fixed by bolts.

5. A combined logging tool according to claim 3, characterized in that: A first support connection seat (309) is welded to the fixing block (308); the electric telescopic rod (307) is inserted into the inner wall of the first support connection seat (309); the electric telescopic rod (307) and the first support connection seat (309) are fixed by bolts; A second support connection seat (312) is welded to the support block (306); the electric telescopic rod (307) is inserted into the inner wall of the second support connection seat (312); and the second support connection seat (312) and the electric telescopic rod (307) are fixed by bolts.

6. A combined logging tool according to claim 3, characterized in that: A third support connection seat (311) is welded to the bottom end of the rectangular frame (303); the inner wall of the third support connection seat (311) is plugged with a support column (301); the support column (301) and the third support connection seat (311) are fixed by bolts; and the bottom end of the support column (301) is fixedly connected to the cover (101).

7. A combined logging tool according to claim 3, characterized in that: The probe body (100) further comprises a power supply (1), a transformer (2), a detector (3), a signal amplifier (4), an inductor (5), a voltage regulator (6), an analog-to-digital converter (7), a drive circuit (8), a clock circuit (9) and a DSP chip (10) arranged in the inner cavity of the probe body (100). The probe body (100) comprises a power supply (1), to which the transformer (2) and the voltage regulator (6) are connected; the transformer (2) is connected in sequence to the detector (3), the signal amplifier (4), the inductor (5), the analog-to-digital converter (7), the drive circuit (8) and the clock circuit (9); the signal amplifier (4) is connected to the DSP chip (10); the drive circuit (8) is also connected to the clock circuit (9); and the drive circuit (8) is connected to the voltage regulator (6).

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